Biology Questions
Explore questions in the Biology category that you can ask Spark.E!
When simple lipid molecules flip flop between the layers they can ______________ molecules across the membrane
In prokaryotic genomes (plasmids), there are nonessential circular DNA molecules that are _________________
There is strong evidence that life formed _____________
G-value __________________________ to phenotypic complexity
Bacteria and archaea genomes are ___________ in structure and organization
The earth formed from accretion of solar nebula gasses and dust __________________
In most cases, phenotypic complexity is associated with ________________
Where is the secondary ossification center for C2 (axis)?
The original site of union with the vetebral column is replaced with what?
What is the fate of the notochord in the bodies of vertebrae?
Spina bifida occurs more frequently in:
The cartilaginous models of the manubrium, sternebrae, and xiphoid process are formed by what?
How many primary ossification centers are there for C1 (atlas)?
How many secondary ossification centers are there for C1 (atlas)?
What happens to the ribs during the fetal period?
When do fontanelle sutures completely fuse?
When do the laryngeal cartilages fully ossify?
Supplementation of what during pregnancy has been shown to reduce the incidence of spina bifida?
Failure of the two halves of the embryonic cartilaginous neural arches to fuse
Where is the primary ossification center in long bones?